Specifications include, but are not limited to: 1) Provide professional commissioning services during the pre-design phase, design phase, construction phase, and post-construction/warranty phases at the DR. Bob Glaze Laboratory (DBGL), supporting Central Plant (DHNP) and Chemical Storage Building (DHH) located on the DSHS campus in Austin, Texas. Three Bid Packages will be released initially for Construction Manager-at-Risk (CMR) solicitations by end of June 2021 with a fourth Bid Package expected by end of June 2022. Commissioning services will require support for each of these Bid Packages as they progress through the phase stages. Bid Packages 5 & 6 are not in the scope for this solicitation but are identified below. a) Bid Package 1- Includes replacement of DBGL Controls system, supply terminals, exhaust terminals. b) Bid Package 2 – Includes replacement of DBGL two rooftop AHU’s, three LEU’s and controls.